CN116316987B - Multi-path composite control system and method of charger and electronic equipment - Google Patents
Multi-path composite control system and method of charger and electronic equipment Download PDFInfo
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- CN116316987B CN116316987B CN202310285085.1A CN202310285085A CN116316987B CN 116316987 B CN116316987 B CN 116316987B CN 202310285085 A CN202310285085 A CN 202310285085A CN 116316987 B CN116316987 B CN 116316987B
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- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 238000004590 computer program Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 description 30
- 238000004891 communication Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The application relates to a multipath composite control system, a multipath composite control method and electronic equipment of a charger, wherein the system comprises a plurality of voltage detection modules, a signal processing module and a composite control module, the voltage detection modules are connected with the signal processing module, and the signal processing module is connected with the composite control module; each voltage detection module is used for accessing equipment to be charged and outputting a voltage detection signal; the signal processing module is used for performing superposition operation on the plurality of voltage detection signals and outputting a target analog signal; the composite control module is used for receiving the target analog signal, comparing the target analog signal with a voltage preset value, outputting a switch closing signal when the target analog signal is larger than the voltage preset value, and outputting a switch opening signal when the target analog signal is smaller than the voltage preset value. The application solves the problem that the power-off protection occurs when the multi-output high-power charger is not loaded or is loaded lightly at the first main control output port.
Description
Technical Field
The application relates to the technical field of charger control circuits, in particular to a multi-path composite control system and method of a charger and electronic equipment.
Background
In the industry of high-power intelligent chargers, particularly in the fields of electric vehicle charging, marine traffic ship charging and the like, a common high-power charger in the market adopts a mode that one high-power charger supplies power to a plurality of isolated output branch battery packs. However, it is known from the state-of-the-art technology that the multiple equally isolated output ports, although the respective corresponding battery packs may be adapted in isolation. However, if the default first path of output port designed in the charger does not contact the battery pack for charging, or even if the battery pack contacts, the contacted battery is fully charged and is in a floating charge state, the output current of the first path of output port is very small at the moment, and when the corresponding battery pack is charged in full load, the other isolation output ports have the condition of power failure protection of the charger, namely, all output port voltages are closed, the battery pack cannot be charged, and the system red light alarms.
Although in specific use, the mode of re-powering up and resetting can also be adopted, so that the charger can work again, namely, the battery pack of the output port is switched, the default first output port is designed in the charger to uniformly charge the battery pack without electricity, and as long as the first branch has a charging load, other isolation branches can be ensured to be charged normally. The current design of the industry adopts a first path as a main control loop in the charger, and other isolated branches can only be realized as induced voltages of a coupling winding of a main power transformer in the charger. According to electromagnetic theory, under the condition of winding coupling, if a coupling loop is in heavy load, a main control loop is in light load, and a loop of a power supply can lose control of a minimum duty ratio, so that power-off protection occurs. Because of various complicated use occasions, it is difficult to determine which battery pack to be charged needs to be charged with a large output power, and therefore, when the battery pack is not properly selected, the charger itself is prone to downtime.
The prior art solutions described above have the following drawbacks: the high-power charger with multipath output has the problem of power-off protection when the first main control output port is not loaded or loaded lightly.
Disclosure of Invention
In order to solve the problem that power-off protection occurs when a high-power charger with multiple outputs is in an off-load or light-load state at a first main control output port, the application aims to provide a multiple composite control system of the charger.
The first object of the present application is achieved by the following technical solutions:
a multiple complex control system for a charger, comprising:
the system comprises a plurality of voltage detection modules, a signal processing module and a composite control module, wherein the voltage detection modules are connected with the signal processing module, and the signal processing module is connected with the composite control module;
each voltage detection module is used for being connected with equipment to be charged and outputting a voltage detection signal;
the signal processing module is used for performing superposition operation on the plurality of voltage detection signals and outputting a target analog signal, wherein the target analog signal is obtained by superposing the plurality of voltage detection signals;
the composite control module is used for receiving the target analog signal, comparing the target analog signal with a voltage preset value, outputting a switch closing signal when the target analog signal is larger than the voltage preset value, and outputting a switch opening signal when the target analog signal is smaller than the voltage preset value.
Through adopting above-mentioned technical scheme, through inserting voltage detection module with every equipment that waits to charge, then insert signal processing module with a plurality of voltage detection modules, signal processing module is through doing the voltage detection signal that voltage detection module output and overlap the target analog signal after the processing of output, becomes a target analog signal with a plurality of voltage detection signals, and compound control module is through judging whether target analog signal comes to need charge, when needing to charge, the realization is waited to charge equipment's that charges of switch closure signal. Through changing a plurality of voltage signals into target analog signals in a superposition way, when equipment to be charged is accessed, the charging operation can be realized, and the equipment to be charged can be charged without being loaded again by the first main control output port, so that the problem of power-off protection when the multi-output high-power charger is not loaded or loaded lightly by the first main control output port is solved.
The present application may be further configured in a preferred example to: the signal processing module comprises an analog-to-digital converter, a signal computing unit and a digital-to-analog converter, wherein the analog-to-digital converter is connected with the plurality of voltage detection modules, the analog-to-digital converter is connected with the signal computing unit, the signal computing unit is connected with the digital-to-analog converter, and the digital-to-analog converter is connected with the composite control module;
the analog-to-digital converter is used for receiving the voltage detection signals and outputting voltage digital signals;
the signal calculation unit is used for receiving the plurality of voltage digital signals, performing superposition calculation on the voltage digital signals and outputting a target digital signal;
the digital-to-analog converter is used for receiving the target digital signal and outputting a target analog signal.
The present application may be further configured in a preferred example to: the composite control module comprises a threshold setting unit, a signal receiving unit and a signal judging unit, wherein the signal receiving unit is connected with the signal processing module, and the signal receiving unit and the threshold setting unit are both connected with the signal judging unit;
the threshold setting unit is used for outputting a voltage threshold signal;
the signal receiving unit is used for receiving and outputting the target analog signal;
the signal judging unit is used for receiving the voltage threshold signal and the target analog signal, outputting a switch closing signal when the voltage value reflected by the target analog signal is higher than the voltage preset value reflected by the voltage threshold signal, and outputting a switch opening signal when the voltage value reflected by the target analog signal is lower than the voltage preset value reflected by the voltage threshold signal.
The present application may be further configured in a preferred example to: the system also comprises a controller, wherein the controller is connected with the voltage detection module and is used for receiving the voltage detection signal and outputting prompt information and power-off information.
The present application may be further configured in a preferred example to: the system also comprises a power supply and an electric control switch, wherein the electric control switch is respectively connected with the power supply and the composite control module;
the electric control switch is used for receiving the switch closing signal, closing and receiving the switch opening signal and opening.
The application also aims to provide a multi-path composite control method of the charger.
The second object of the present application is achieved by the following technical solutions:
a multi-path composite control method of a charger comprises the following steps:
acquiring state information of a plurality of devices to be charged;
outputting prompt information according to the state information and the state prompt rule;
and outputting the power-off information according to the state information and the power-off output rule.
The present application may be further configured in a preferred example to: the outputting the prompt information according to the state information and the state prompt rule comprises the following steps:
and sequentially acquiring the state information, wherein the state information comprises a voltage detection signal, and when the numerical value reflected by the voltage detection signal is within a preset range, making a full-electricity mark for the state information and outputting full-electricity indicating information.
The present application may be further configured in a preferred example to: the outputting the power-off information according to the state information and the power-off output rule comprises the following steps:
the power-off information comprises a switch opening signal and a power-off prompt message;
and sequentially acquiring the state information, judging whether the state information which is not subjected to full electric marking exists, and if not, outputting a switch opening signal and power-off prompt information.
The application aims at providing an electronic device.
The third object of the present application is achieved by the following technical solutions:
an electronic device comprising a memory and a processor, said memory having stored thereon a computer program capable of being loaded by the processor and executing the multiplex control method of the charger as described above.
A fourth object of the present application is to provide a computer storage medium capable of storing a corresponding program.
The fourth object of the present application is achieved by the following technical solutions:
a computer-readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the above-described multi-path composite control methods of chargers.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the signal processing module is used for converting the plurality of voltage detection signals into a target analog signal, and the composite control module is used for judging whether the target analog signal needs to be charged or not, and outputting a switch closing signal when the target analog signal needs to be charged, so that the charging of equipment to be charged is realized. Through changing a plurality of voltage signals into target analog signals in a superposition way, when equipment to be charged is accessed, the charging operation can be realized, and the equipment to be charged can be charged without being loaded again by the first main control output port, so that the problem of power-off protection when the multi-output high-power charger is not loaded or loaded lightly by the first main control output port is solved.
Drawings
Fig. 1 is a schematic structural diagram of a multi-path composite control system of a charger according to the present application.
Fig. 2 is a schematic structural diagram of a signal processing module and a composite control module provided by the present application.
Fig. 3 is a schematic circuit diagram of a threshold setting unit, a signal receiving unit and a signal judging unit according to the present application.
Fig. 4 is a flow chart of a multi-path composite control method of the charger provided by the application.
Fig. 5 is a schematic structural diagram of an electronic device provided by the present application.
In the figure, 10, a voltage detection module; 20. a signal processing module; 201. an analog-to-digital converter; 202. a signal calculation unit; 203. a digital-to-analog converter; 30. a composite control module; 301. a threshold setting unit; 302. a signal receiving unit; 303. a signal judgment unit; 40. an electric control switch; 50. a power supply; 60. a controller; 701. a CPU; 702. a ROM; 703. a RAM; 704. an I/O interface; 705. an input section; 706. an output section; 707. a storage section; 708. a communication section; 709. a driver; 710. removable media.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In this context, unless otherwise specified, the term "/" generally indicates that the associated object is an "or" relationship.
Embodiments of the application are described in further detail below with reference to the drawings.
Referring to fig. 1, the multi-path composite control system of the present application includes four voltage detection modules 10, a signal processing module 20, a composite control module 30, an electric control switch 40, a power supply 50 and a controller 60, where the four voltage detection modules 10 are used for accessing a device to be charged, the voltage detection modules 10 are accessed to the device to be charged to output voltage detection signals, the output ends of the four voltage detection modules 10 are connected with the input ends of the signal processing module 20, the output ends of the four voltage detection modules 10 are also connected with the controller 60, the output ends of the signal processing module 20 are connected with the input ends of the composite control module 30, the signal processing module 20 is used for processing the multiple voltage detection signals, converting the multiple voltage detection signals into a target analog signal to be output, the composite control module 30 receives the target analog signal, and the output ends of the composite control module 30 are connected with the power supply 50 through the electric control switch 40. The composite control module 30 controls the connection and disconnection of the device to be charged and the power supply 50 by judging the target analog signal to realize the opening or closing of the electric control switch 40.
Referring to fig. 2, in order to implement conversion from a plurality of voltage detection signals to one target analog signal, the signal processing module 20 includes an analog-to-digital converter 201, a signal calculating unit 202 and a digital-to-analog converter 203, wherein an input end of the analog-to-digital converter 201 is connected to an output end of the plurality of voltage detection modules 10, and is used for receiving the plurality of voltage detection signals, the voltage detection signals are analog signals, the analog-to-digital converter 201 converts the analog signals to digital signals, that is, outputs the plurality of voltage digital signals, an output end of the analog-to-digital converter 201 is connected to an input end of the signal calculating unit 202, the signal calculating unit 202 receives the plurality of voltage digital signals and performs superposition calculation on the plurality of voltage digital signals, an output end of the signal calculating unit 202 is connected to an input end of the digital-to-analog converter 203, the digital-to-analog converter 203 receives the target digital signals, the digital-to-analog signals are converted by the digital-to-analog converter 203 into the analog signals, and an output end of the digital-to-analog control module 30, and the output end of the digital-to-analog converter 203 is connected to an input end of the composite control module 30. The information processing module achieves the effect of converting a plurality of isolated analog signals into one path of analog signals for output. In the present embodiment, the analog-to-digital converter 201 is a high-speed analog-to-digital converter.
Referring to fig. 2 and 3, in order to improve the problem that whether the charging between the plurality of devices to be charged is affected by the heavy load of the default first output port, the composite control module 30 includes a threshold setting unit 301, a signal receiving unit 302 and a signal judging unit 303, wherein an input end of the signal receiving unit 302 is connected to an output end of the digital-to-analog converter 203, an output end of the signal receiving unit 302 is connected to an in-phase input end of the signal judging unit 303, the threshold setting unit 301 is connected to an inverting input end of the signal judging unit 303, the threshold setting unit 301 is used for setting a voltage preset value, outputting a voltage threshold signal, the signal receiving unit 302 is used for receiving and inputting a target analog signal outputted by the digital-to-analog converter 203 to the in-phase input end of the signal judging unit 303, the signal judging unit 303 is used for receiving the voltage threshold signal and the target analog signal, when the voltage value reflected by the target analog signal is higher than the voltage preset value reflected by the voltage threshold signal, the device to be charged is indicated to be accessed, and when the voltage value reflected by the target analog signal is lower than the voltage preset value reflected by the voltage threshold signal, the switch close signal is indicated that the device to be charged is not accessed, and the switch open signal is outputted. One end of the electric control switch 40 is connected with the output end of the signal judging unit 303, and the other end of the electric control switch 40 is connected with the power supply 50. The electric control switch 40 receives a switch closing signal to be closed, is communicated with the equipment to be charged and the power supply 50, the power supply 50 charges the equipment to be charged, and the electric control switch 40 receives a switch opening signal to be opened, so that the connection between the equipment to be charged and the power supply 50 is disconnected. In the present embodiment, the signal determining unit 303 is a comparator, and the power supply 50 is a battery pack.
The threshold setting unit 301 includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, and an operational amplifier A1. The resistor R1 is connected with the resistor R2, the other end of the resistor R2 is connected with the resistor R3, the other end of the resistor R3 is connected with the capacitor C2, and the common end of the resistor R3 and the capacitor C2 is connected to the in-phase input end of the operational amplifier A1, and the other ends of the resistor R1 and the capacitor C2 are grounded. One end of the capacitor C3 is connected with the power supply voltage, the other end of the capacitor C3 is grounded, the common end of the capacitor C3 and the power supply voltage is connected to the non-inverting input end of the operational amplifier A1, one end of the capacitor C4 is connected with the power supply voltage, and the other end of the capacitor C4 is grounded. One end of the resistor R5 is grounded, the other end of the resistor R5 is connected with the resistor R6, and the other end of the resistor R6 is connected with the power supply voltage. The resistor R4 is connected with the output end of the operational amplifier A1, and the other end of the resistor R4 is connected with the common end of the resistor R5 and the resistor R6. One end of a capacitor C1 is connected with the common end of the resistor R2 and the resistor R3, the other end of the capacitor C1 is connected with the output end of the operational amplifier A1, and the other end of the capacitor C1 is also connected with the inverting input end of the operational amplifier A1.
The signal receiving unit 302 includes a resistor R7, a resistor R8, a resistor R9, a resistor R10, a capacitor C5, and a slide resistor VR1. One end of a resistor R7 is connected with the output end of the digital-to-analog converter 203, one end of a capacitor C5 is connected with the common end of the resistor R7 and the digital-to-analog converter 203, the other end of the resistor R7 is connected with a resistor R8, and the other end of the resistor R8 and the other end of the capacitor C5 are grounded. One end of the resistor R9 is connected with the common end of the resistor R7 and the resistor R8, the other end of the resistor R9 is connected with the sliding rheostat VR1, and the other end of the sliding rheostat VR1 is grounded. The resistor R10 is further connected to one end of the resistor R9 connected to the resistor R7, and the other end of the resistor R10 is connected to the signal determination unit 303.
The signal determination unit 303 includes an operational amplifier A2, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R11, a resistor R12, a diode D1, and a diode D2. The other end of the resistor R10 is connected to the non-inverting input terminal of the operational amplifier A2. The noninverting input end of the operational amplifier A2 is connected with the power supply voltage and the capacitor C6, and the other end of the capacitor C6 is grounded. The resistor R11 is connected with the capacitor C8 in series, the resistor R11 is connected with the capacitor C7 in parallel after being connected with the capacitor C8 in series, the public end connected with the capacitor C7 and the resistor R11 is connected with the reverse input end of the operational amplifier A2, the public end connected with the capacitor C7 and the resistor R11 is also connected with the public end connected with the resistor R5 and the resistor R6, and the public end connected with the capacitor C7 and the capacitor C8 is connected with the output end of the operational amplifier A2. The output end of the operational amplifier A2 is connected with a resistor R12, the positive electrode of a diode D1 at the other end of the resistor R12 is connected, the positive electrode of the diode D2 is connected with a cable wiring board, and the negative electrode of the diode D1 and the negative electrode of the diode D2 are connected with a photoelectric coupling element OPTO. The optocoupler is connected to an electronically controlled switch 40.
The embodiment of the application provides a multi-path composite control method of a charger, which is applied to the controller 60, and the main flow of the method is described as follows.
As shown in fig. 4:
step S101: and acquiring state information of a plurality of devices to be charged.
Specifically, a device to be charged is connected to a voltage detection module 10, and each voltage detection module 10 may output a voltage signal reflecting the voltage condition of each device to be charged, and obtain, according to the voltage detection module 10, status information of the device to be charged, where the status information includes voltage information.
Step S102: and outputting prompt information according to the state information and the state prompt rule.
Specifically, the state information of each device to be charged, that is, the voltage information, is obtained, the voltage information is a voltage detection signal output by the voltage detection module 10, when the value reflected by the voltage information is within the preset range, the device to be charged is in a full state, the state information corresponding to the device to be charged is marked with full electricity, and full electricity indicating information is output, and is used for indicating that the device is charged completely, so that the device can be disconnected. When the numerical value reflected by the voltage information is not in the preset range, the state that the equipment to be charged is not fully charged is indicated, and no prompt information is output.
Step S103: and outputting the power-off information according to the state information and the power-off output rule.
Specifically, the state information is acquired sequentially, whether the state information has a full electric mark is judged, if yes, the next state information is judged, and if not, the next state information is not acquired any more. When all the state information is traversed and all the state information has full power marks, power-off information is output, wherein the power-off information comprises a switch opening signal and power-off prompt information, the switch opening signal is used for controlling the electric control switch 40 to be opened, connection between all the equipment to be charged and the power supply 50 is disconnected, and the power-off prompt information is used for reminding that all the equipment is charged and the power supply is in a disconnected state.
The embodiment of the application discloses electronic equipment. Referring to fig. 5, the electronic apparatus includes a Central Processing Unit (CPU) 701 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 702 or a program loaded from a storage section 707 into a Random Access Memory (RAM) 703. In the RAM 703, various programs and data required for the system operation are also stored. The CPU 701, ROM 702, and RAM 703 are connected to each other through a bus. An input/output (I/O) interface 704 is also connected to the bus.
The following components are connected to the I/O interface 704: an input section 705 including a keyboard, a mouse, and the like; an output portion 706 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker, and the like; a storage section 707 including a hard disk and the like; and a communication section 708 including a network interface card such as a LAN card, a modem, or the like. The communication section 708 performs communication processing via a network such as the internet. The drive 709 is also connected to the I/O interface 704 as needed. A removable medium 710 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed as needed on the drive 709, so that a computer program read therefrom is installed into the storage section 707 as needed.
In particular, the process described above with reference to flowchart fig. 1 may be implemented as a computer software program according to an embodiment of the application. For example, embodiments of the application include a computer program product comprising a computer program embodied on a machine-readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such embodiments, the computer program may be downloaded and installed from a network via the communications portion 708, and/or installed from the removable media 710. The above-described functions defined in the apparatus of the present application are performed when the computer program is executed by a Central Processing Unit (CPU) 701.
The computer readable medium shown in the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application is not limited to the specific combinations of the features described above, but also covers other embodiments which may be formed by any combination of the features described above or their equivalents without departing from the spirit of the application. Such as the above-mentioned features and the technical features having similar functions (but not limited to) applied for in the present application are replaced with each other.
Claims (10)
1. A multiple composite control system for a charger, comprising: the system comprises a plurality of voltage detection modules (10), a signal processing module (20) and a composite control module (30), wherein the plurality of voltage detection modules (10) are connected with the signal processing module (20), and the signal processing module (20) is connected with the composite control module (30);
the voltage detection modules (10) are used for connecting equipment to be charged, and outputting voltage detection signals;
the signal processing module (20) is used for performing superposition operation on the plurality of voltage detection signals and outputting a target analog signal, wherein the target analog signal is obtained by superposing the plurality of voltage detection signals;
the composite control module (30) is used for receiving the target analog signal, comparing the target analog signal with a voltage preset value, outputting a switch closing signal when the target analog signal is larger than the voltage preset value, and outputting a switch opening signal when the target analog signal is smaller than the voltage preset value.
2. The multi-path composite control system of a charger according to claim 1, wherein the signal processing module (20) includes an analog-to-digital converter (201), a signal computing unit (202) and a digital-to-analog converter (203), the analog-to-digital converter (201) is connected to the plurality of voltage detection modules (10), the analog-to-digital converter (201) is connected to the signal computing unit (202), the signal computing unit (202) is connected to the digital-to-analog converter (203), and the digital-to-analog converter (203) is connected to the composite control module (30);
the analog-to-digital converter (201) is configured to receive the plurality of voltage detection signals and output a plurality of voltage digital signals;
the signal computing unit (202) is used for receiving the plurality of voltage digital signals, performing superposition computation on the voltage digital signals and outputting a target digital signal;
the digital-to-analog converter (203) is configured to receive the target digital signal and output a target analog signal.
3. The multiplex control system of a charger according to claim 1, wherein the multiplex control module (30) includes a threshold setting unit (301), a signal receiving unit (302), and a signal judging unit (303), the signal receiving unit (302) is connected to the signal processing module (20), and the signal receiving unit (302) and the threshold setting unit (301) are both connected to the signal judging unit (303);
the threshold setting unit (301) is used for outputting a voltage threshold signal;
the signal receiving unit (302) is configured to receive and output the target analog signal;
the signal judging unit (303) is configured to receive the voltage threshold signal and the target analog signal, output a switch-on signal when a voltage value reflected by the target analog signal is higher than a voltage preset value reflected by the voltage threshold signal, and output a switch-off signal when the voltage value reflected by the target analog signal is lower than the voltage preset value reflected by the voltage threshold signal.
4. The multiple composite control system of a charger according to claim 1, further comprising a controller (60), wherein the controller (60) is connected to the voltage detection module (10), and the controller (60) is configured to receive the voltage detection signal and output prompt information and power-off information.
5. The multi-path composite control system of a charger according to claim 1, further comprising a power supply (50) and an electronically controlled switch (40), the electronically controlled switch (40) being connected to the power supply (50) and the composite control module (30), respectively;
the electric control switch (40) is used for receiving the switch closing signal and then closing the switch, and receiving the switch opening signal and then opening the switch.
6. A multiplexing control method of a charger, applied to the multiplexing control system of a charger as claimed in claim 4, comprising:
the controller is used for acquiring state information of a plurality of devices to be charged;
outputting prompt information according to the state information and the state prompt rule;
and outputting the power-off information according to the state information and the power-off output rule.
7. The method of multiplexing charger according to claim 6, wherein outputting the prompt message according to the status information and the status prompt rule comprises:
and sequentially acquiring the state information, wherein the state information comprises a voltage detection signal, and when the numerical value reflected by the voltage detection signal is within a preset range, making a full-electricity mark for the state information and outputting full-electricity indicating information.
8. The method of multiplexing control of a charger according to claim 7, wherein outputting the power-off information according to the state information and the power-off output rule comprises:
the power-off information comprises a switch opening signal and a power-off prompt message;
and sequentially acquiring the state information, judging whether the state information which is not subjected to full electric marking exists, and if not, outputting a switch opening signal and power-off prompt information.
9. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program capable of being loaded by the processor and performing the method according to any of claims 6 to 8.
10. A computer readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which performs the method according to any of claims 6 to 8.
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